/* zconf.h -- configuration of the zlib compression library
 * Copyright (C) 1995-2010 Jean-loup Gailly.
 * For conditions of distribution and use, see copyright notice in zlib.h
 */

/* @(#) $Id$ */

#ifndef ZCONF_H
#define ZCONF_H

/*
 * If you *really* need a unique prefix for all types and library functions,
 * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it.
 * Even better than compiling with -DZ_PREFIX would be to use configure to set
 * this permanently in zconf.h using "./configure --zprefix".
 */
#ifdef Z_PREFIX     /* may be set to #if 1 by ./configure */

/* all linked symbols */
#define _dist_code            z__dist_code
#define _length_code          z__length_code
#define _tr_align             z__tr_align
#define _tr_flush_block       z__tr_flush_block
#define _tr_init              z__tr_init
#define _tr_stored_block      z__tr_stored_block
#define _tr_tally             z__tr_tally
#define adler32               z_adler32
#define adler32_combine       z_adler32_combine
#define adler32_combine64     z_adler32_combine64
#define compress              z_compress
#define compress2             z_compress2
#define compressBound         z_compressBound
#define crc32                 z_crc32
#define crc32_combine         z_crc32_combine
#define crc32_combine64       z_crc32_combine64
#define deflate               z_deflate
#define deflateBound          z_deflateBound
#define deflateCopy           z_deflateCopy
#define deflateEnd            z_deflateEnd
#define deflateInit2_         z_deflateInit2_
#define deflateInit_          z_deflateInit_
#define deflateParams         z_deflateParams
#define deflatePrime          z_deflatePrime
#define deflateReset          z_deflateReset
#define deflateSetDictionary  z_deflateSetDictionary
#define deflateSetHeader      z_deflateSetHeader
#define deflateTune           z_deflateTune
#define deflate_copyright     z_deflate_copyright
#define get_crc_table         z_get_crc_table
#define gz_error              z_gz_error
#define gz_intmax             z_gz_intmax
#define gz_strwinerror        z_gz_strwinerror
#define gzbuffer              z_gzbuffer
#define gzclearerr            z_gzclearerr
#define gzclose               z_gzclose
#define gzclose_r             z_gzclose_r
#define gzclose_w             z_gzclose_w
#define gzdirect              z_gzdirect
#define gzdopen               z_gzdopen
#define gzeof                 z_gzeof
#define gzerror               z_gzerror
#define gzflush               z_gzflush
#define gzgetc                z_gzgetc
#define gzgets                z_gzgets
#define gzoffset              z_gzoffset
#define gzoffset64            z_gzoffset64
#define gzopen                z_gzopen
#define gzopen64              z_gzopen64
#define gzprintf              z_gzprintf
#define gzputc                z_gzputc
#define gzputs                z_gzputs
#define gzread                z_gzread
#define gzrewind              z_gzrewind
#define gzseek                z_gzseek
#define gzseek64              z_gzseek64
#define gzsetparams           z_gzsetparams
#define gztell                z_gztell
#define gztell64              z_gztell64
#define gzungetc              z_gzungetc
#define gzwrite               z_gzwrite
#define inflate               z_inflate
#define inflateBack           z_inflateBack
#define inflateBackEnd        z_inflateBackEnd
#define inflateBackInit_      z_inflateBackInit_
#define inflateCopy           z_inflateCopy
#define inflateEnd            z_inflateEnd
#define inflateGetHeader      z_inflateGetHeader
#define inflateInit2_         z_inflateInit2_
#define inflateInit_          z_inflateInit_
#define inflateMark           z_inflateMark
#define inflatePrime          z_inflatePrime
#define inflateReset          z_inflateReset
#define inflateReset2         z_inflateReset2
#define inflateSetDictionary  z_inflateSetDictionary
#define inflateSync           z_inflateSync
#define inflateSyncPoint      z_inflateSyncPoint
#define inflateUndermine      z_inflateUndermine
#define inflate_copyright     z_inflate_copyright
#define inflate_fast          z_inflate_fast
#define inflate_table         z_inflate_table
#define uncompress            z_uncompress
#define zError                z_zError
#define zcalloc               z_zcalloc
#define zcfree                z_zcfree
#define zlibCompileFlags      z_zlibCompileFlags
#define zlibVersion           z_zlibVersion

/* all zlib typedefs in zlib.h and zconf.h */
#define Byte                  z_Byte
#define Bytef                 z_Bytef
#define alloc_func            z_alloc_func
#define charf                 z_charf
#define free_func             z_free_func
#define gzFile                z_gzFile
#define gz_header             z_gz_header
#define gz_headerp            z_gz_headerp
#define in_func               z_in_func
#define intf                  z_intf
#define out_func              z_out_func
#define uInt                  z_uInt
#define uIntf                 z_uIntf
#define uLong                 z_uLong
#define uLongf                z_uLongf
#define voidp                 z_voidp
#define voidpc                z_voidpc
#define voidpf                z_voidpf

/* all zlib structs in zlib.h and zconf.h */
#define gz_header_s           z_gz_header_s
#define internal_state        z_internal_state

#endif

#if defined(__MSDOS__) && !defined(MSDOS)
#define MSDOS
#endif
#if (defined(OS_2) || defined(__OS2__)) && !defined(OS2)
#define OS2
#endif
#if defined(_WINDOWS) && !defined(WINDOWS)
#define WINDOWS
#endif
#if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__)
#ifndef WIN32
#define WIN32
#endif
#endif
#if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32)
#if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__)
#ifndef SYS16BIT
#define SYS16BIT
#endif
#endif
#endif

/*
 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
 * than 64k bytes at a time (needed on systems with 16-bit int).
 */
#ifdef SYS16BIT
#define MAXSEG_64K
#endif
#ifdef MSDOS
#define UNALIGNED_OK
#endif

#ifdef __STDC_VERSION__
#ifndef STDC
#define STDC
#endif
#if __STDC_VERSION__ >= 199901L
#ifndef STDC99
#define STDC99
#endif
#endif
#endif
#if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus))
#define STDC
#endif
#if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__))
#define STDC
#endif
#if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32))
#define STDC
#endif
#if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__))
#define STDC
#endif

#if defined(__OS400__) && !defined(STDC)    /* iSeries (formerly AS/400). */
#define STDC
#endif

#ifndef STDC
#ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
#define const       /* note: need a more gentle solution here */
#endif
#endif

/* Some Mac compilers merge all .h files incorrectly: */
#if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
#define NO_DUMMY_DECL
#endif

/* Maximum value for memLevel in deflateInit2 */
#ifndef MAX_MEM_LEVEL
#ifdef MAXSEG_64K
#define MAX_MEM_LEVEL 8
#  else
#define MAX_MEM_LEVEL 9
#endif
#endif

/* Maximum value for windowBits in deflateInit2 and inflateInit2.
 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
 * created by gzip. (Files created by minigzip can still be extracted by
 * gzip.)
 */
#ifndef MAX_WBITS
#define MAX_WBITS   15 /* 32K LZ77 window */
#endif

/* The memory requirements for deflate are (in bytes):
            (1 << (windowBits+2)) +  (1 << (memLevel+9))
 that is: 128K for windowBits=15  +  128K for memLevel = 8  (default values)
 plus a few kilobytes for small objects. For example, if you want to reduce
 the default memory requirements from 256K to 128K, compile with
     make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
 Of course this will generally degrade compression (there's no free lunch).

   The memory requirements for inflate are (in bytes) 1 << windowBits
 that is, 32K for windowBits=15 (default value) plus a few kilobytes
 for small objects.
*/

                        /* Type declarations */

#ifndef OF /* function prototypes */
#ifdef STDC
#define OF(args)  args
#  else
#define OF(args)  ()
#endif
#endif

/* The following definitions for FAR are needed only for MSDOS mixed
 * model programming (small or medium model with some far allocations).
 * This was tested only with MSC; for other MSDOS compilers you may have
 * to define NO_MEMCPY in zutil.h.  If you don't need the mixed model,
 * just define FAR to be empty.
 */
#ifdef SYS16BIT
#if defined(M_I86SM) || defined(M_I86MM)
     /* MSC small or medium model */
#define SMALL_MEDIUM
#ifdef _MSC_VER
#define FAR _far
#    else
#define FAR far
#endif
#endif
#if (defined(__SMALL__) || defined(__MEDIUM__))
     /* Turbo C small or medium model */
#define SMALL_MEDIUM
#ifdef __BORLANDC__
#define FAR _far
#    else
#define FAR far
#endif
#endif
#endif

#if defined(WINDOWS) || defined(WIN32)
   /* If building or using zlib as a DLL, define ZLIB_DLL.
    * This is not mandatory, but it offers a little performance increase.
    */
#ifdef ZLIB_DLL
#if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500))
#ifdef ZLIB_INTERNAL
#define ZEXTERN extern __declspec(dllexport)
#      else
#define ZEXTERN extern __declspec(dllimport)
#endif
#endif
#endif  /* ZLIB_DLL */
   /* If building or using zlib with the WINAPI/WINAPIV calling convention,
    * define ZLIB_WINAPI.
    * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI.
    */
#ifdef ZLIB_WINAPI
#ifdef FAR
#      undef FAR
#endif
#include <windows.h>
     /* No need for _export, use ZLIB.DEF instead. */
     /* For complete Windows compatibility, use WINAPI, not __stdcall. */
#define ZEXPORT WINAPI
#ifdef WIN32
#define ZEXPORTVA WINAPIV
#    else
#define ZEXPORTVA FAR CDECL
#endif
#endif
#endif

#if defined (__BEOS__)
#ifdef ZLIB_DLL
#ifdef ZLIB_INTERNAL
#define ZEXPORT   __declspec(dllexport)
#define ZEXPORTVA __declspec(dllexport)
#    else
#define ZEXPORT   __declspec(dllimport)
#define ZEXPORTVA __declspec(dllimport)
#endif
#endif
#endif

#ifndef ZEXTERN
#define ZEXTERN extern
#endif
#ifndef ZEXPORT
#define ZEXPORT
#endif
#ifndef ZEXPORTVA
#define ZEXPORTVA
#endif

#ifndef FAR
#define FAR
#endif

#if !defined(__MACTYPES__)
typedef unsigned char  Byte;  /* 8 bits */
#endif
typedef unsigned int   uInt;  /* 16 bits or more */
typedef unsigned long  uLong; /* 32 bits or more */

#ifdef SMALL_MEDIUM
   /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
#define Bytef Byte FAR
#else
   typedef Byte  FAR Bytef;
#endif
typedef char  FAR charf;
typedef int   FAR intf;
typedef uInt  FAR uIntf;
typedef uLong FAR uLongf;

#ifdef STDC
   typedef void const *voidpc;
   typedef void FAR   *voidpf;
   typedef void       *voidp;
#else
   typedef Byte const *voidpc;
   typedef Byte FAR   *voidpf;
   typedef Byte       *voidp;
#endif

#ifdef HAVE_UNISTD_H    /* may be set to #if 1 by ./configure */
#define Z_HAVE_UNISTD_H
#endif

#ifdef STDC
#include <sys/types.h>    /* for off_t */
#endif

/* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and
 * "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even
 * though the former does not conform to the LFS document), but considering
 * both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as
 * equivalently requesting no 64-bit operations
 */
#if -_LARGEFILE64_SOURCE - -1 == 1
#  undef _LARGEFILE64_SOURCE
#endif

#if defined(Z_HAVE_UNISTD_H) || defined(_LARGEFILE64_SOURCE)
#ifdef VMS
#include <unixio.h>     /* for off_t */
#endif
#ifndef z_off_t
#define z_off_t off_t
#endif
#endif

#ifndef SEEK_SET
#define SEEK_SET        0       /* Seek from beginning of file.  */
#define SEEK_CUR        1       /* Seek from current position.  */
#define SEEK_END        2       /* Set file pointer to EOF plus "offset" */
#endif

#ifndef z_off_t
#define z_off_t long
#endif

#if defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEFILE-0
#define z_off64_t off64_t
#else
#define z_off64_t z_off_t
#endif

#if defined(__OS400__)
#define NO_vsnprintf
#endif

#if defined(__MVS__)
#define NO_vsnprintf
#endif

/* MVS linker does not support external names larger than 8 bytes */
#if defined(__MVS__)
  #pragma map(deflateInit_,"DEIN")
  #pragma map(deflateInit2_,"DEIN2")
  #pragma map(deflateEnd,"DEEND")
  #pragma map(deflateBound,"DEBND")
  #pragma map(inflateInit_,"ININ")
  #pragma map(inflateInit2_,"ININ2")
  #pragma map(inflateEnd,"INEND")
  #pragma map(inflateSync,"INSY")
  #pragma map(inflateSetDictionary,"INSEDI")
  #pragma map(compressBound,"CMBND")
  #pragma map(inflate_table,"INTABL")
  #pragma map(inflate_fast,"INFA")
  #pragma map(inflate_copyright,"INCOPY")
#endif

#endif /* ZCONF_H */
